// This method should be used to release shared resources and it should store the application state.
// If your application supports background exection this method is called instead of WillTerminate
// when the user quits.
public async override void DidEnterBackground(UIApplication uiApplication)
{
nint enterBackgroundTaskId = uiApplication.BeginBackgroundTask(() =>
{
// not much to do if we run out of time. just report it.
string message = "Ran out of background time while entering background.";
SensusServiceHelper.Get().Logger.Log(message, LoggingLevel.Normal, GetType());
SensusException.Report(message);
});
iOSSensusServiceHelper serviceHelper = SensusServiceHelper.Get() as iOSSensusServiceHelper;
// if the callback scheduler is timer-based and gps is not running then we need to request remote notifications
if (SensusContext.Current.CallbackScheduler is iOSTimerCallbackScheduler scheduler)
{
bool gpsIsRunning = SensusServiceHelper.Get().GetRunningProtocols().SelectMany(x => x.Probes).OfType <ListeningLocationProbe>().Any(x => x.Enabled);
await scheduler.RequestNotificationsAsync(gpsIsRunning);
}
// save app state
await serviceHelper.SaveAsync();
uiApplication.EndBackgroundTask(enterBackgroundTaskId);
}
// This method should be used to release shared resources and it should store the application state.
// If your application supports background exection this method is called instead of WillTerminate
// when the user quits.
public override void DidEnterBackground(UIApplication application)
{
iOSSensusServiceHelper serviceHelper = UiBoundSensusServiceHelper.Get(false) as iOSSensusServiceHelper;
if (serviceHelper != null)
{
serviceHelper.SaveAsync();
// app is no longer active, so reset the activation ID
serviceHelper.ActivationId = null;
}
}
// This method should be used to release shared resources and it should store the application state.
// If your application supports background exection this method is called instead of WillTerminate
// when the user quits.
public override void DidEnterBackground(UIApplication uiApplication)
{
(SensusContext.Current.CallbackScheduler as iOSCallbackScheduler).CancelSilentNotifications();
iOSSensusServiceHelper serviceHelper = SensusServiceHelper.Get() as iOSSensusServiceHelper;
// save app state in background
nint saveTaskId = uiApplication.BeginBackgroundTask(() =>
{
// not much we can do if we run out of time...
});
serviceHelper.SaveAsync().ContinueWith(finishedTask =>
{
uiApplication.EndBackgroundTask(saveTaskId);
});
}
// This method should be used to release shared resources and it should store the application state.
// If your application supports background exection this method is called instead of WillTerminate
// when the user quits.
public override void DidEnterBackground(UIApplication uiApplication)
{
(SensusContext.Current.Notifier as IiOSNotifier).CancelSilentNotifications();
iOSSensusServiceHelper serviceHelper = SensusServiceHelper.Get() as iOSSensusServiceHelper;
serviceHelper.IssuePendingSurveysNotificationAsync(true, true);
// save app state in background
nint saveTaskId = uiApplication.BeginBackgroundTask(() =>
{
});
serviceHelper.SaveAsync(() =>
{
uiApplication.EndBackgroundTask(saveTaskId);
});
}
// This method should be used to release shared resources and it should store the application state.
// If your application supports background exection this method is called instead of WillTerminate
// when the user quits.
public override void DidEnterBackground(UIApplication uiApplication)
{
iOSSensusServiceHelper serviceHelper = SensusServiceHelper.Get() as iOSSensusServiceHelper;
// app is no longer active, so reset the activation ID
serviceHelper.ActivationId = null;
serviceHelper.IssuePendingSurveysNotificationAsync(true, true);
// save app state in background
nint saveTaskId = uiApplication.BeginBackgroundTask(() =>
{
});
serviceHelper.SaveAsync(() =>
{
uiApplication.EndBackgroundTask(saveTaskId);
});
}
// This method should be used to release shared resources and it should store the application state.
// If your application supports background exection this method is called instead of WillTerminate
// when the user quits.
public async override void DidEnterBackground(UIApplication uiApplication)
{
nint enterBackgroundTaskId = uiApplication.BeginBackgroundTask(() =>
{
// not much to do if we run out of time. just report it.
string message = "Ran out of background time while entering background.";
SensusServiceHelper.Get().Logger.Log(message, LoggingLevel.Normal, GetType());
SensusException.Report(message);
});
iOSSensusServiceHelper serviceHelper = SensusServiceHelper.Get() as iOSSensusServiceHelper;
// cancel all silent notifications, which should never be presented to the user. if these notifications
// are not cancelled and the app enters the background, then they will appear in the notification
// tray and confuse the user.
(SensusContext.Current.CallbackScheduler as iOSCallbackScheduler).CancelSilentNotifications();
// save app state
await serviceHelper.SaveAsync();
uiApplication.EndBackgroundTask(enterBackgroundTaskId);
}